They traveled over the ice bridge from modern day Russia to modern day Alaska, and migrated from there some 10-11 thousand years ago is what is what is commonly accepted today.
The important movement and, as a consequence, overlap of tectonic plates in the Ring of Fire area is the cause for the concentration of volcanic activity.
When tectonic plates are pushed towards one another (converge), the edge of one plate is often forced beneath the edge of another. This is called subduction. Tectonic plates are made of rock, and when their edge is subducted under another plate, the rock melts into magma. When there is too much magma under the surface of the Earth, it can erupt through a volcano.
Answer:
What keeps the president from becoming too powerful?
The Framers of the Constitution gave the President the power to veto acts of Congress to prevent the legislative branch from becoming too powerful. ... Congress can override a veto by passing the act by a two-thirds vote in both the House and the Senate.
customer service skills .
They work with people either in phone or directly with them as costumers. Hence, working with people will be the answer